Finding the Fourth Proportional to 249,692.84, 374,576.56 and 91,909.32
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Solution
The fourth proportional to 249,692.84, 374,576.56 and 91,909.32 is: 137,877.71
Step by Step Solution
- Step 1: Write the proportion equation
249,692.84 : 374,576.56 = 91,909.32 : x - Step 2: Convert to fraction form
249,692.84/374,576.56 = 91,909.32/x - Step 3: Cross multiply
249,692.84x = 374,576.56 × 91,909.32 - Step 4: Simplify right side
249,692.84x = 34,427,076,917.54 - Step 5: Solve for x
x = 34,427,076,917.54/249,692.84 - Step 6: Final answer
x = 137,877.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.